CN220244503U

CN220244503U - Tractor for PVC pipeline preparation

Info

Publication number: CN220244503U
Application number: CN202321951584.1U
Authority: CN
Inventors: 石文磊; 张丽萍; 石小明; 刘锋
Original assignee: Wuzhong Dongta Plastic Co ltd
Current assignee: Wuzhong Dongta Plastic Co ltd
Priority date: 2023-07-24
Filing date: 2023-07-24
Publication date: 2023-12-26
Anticipated expiration: 2033-07-24

Abstract

The utility model discloses a traction machine for PVC pipeline preparation, which belongs to the technical field of traction machines and aims at solving the problem that the PVC pipeline traction machine is easily limited by pipeline size when the pipeline is pulled, and the traction machine comprises a mounting frame, wherein threaded blocks are fixed in the middle of the bottom wall of the mounting frame and are respectively connected with the left side and the right side of the periphery of a bidirectional screw in a threaded manner, the bidirectional screw is rotationally connected in the middle of a chute, the chute is arranged in the middle of the inner bottom wall of a U-shaped plate, and a second driving motor is fixed at the middle lower part of the left wall of the outer side of the U-shaped plate; according to the utility model, when the pipeline is required to be pulled, the second driving motor is started, the output shaft of the second driving motor rotates to enable the bidirectional screw to rotate, and the two sets of threaded blocks are driven to be close to or far away from each other in the rotation process of the bidirectional screw, so that the two sets of mounting frames are close to or far away from each other, and the distance between the two sets of driving belts is adjusted, so that the two sets of driving belts are suitable for PVC pipelines with different sizes, and the application range of the tractor is improved.

Description

Tractor for PVC pipeline preparation

Technical Field

The utility model belongs to the technical field of tractors, and particularly relates to a tractor for PVC pipeline preparation.

Background

PVC, namely polyvinyl chloride, is a polymer polymerized by an initiator such as peroxide, azo compounds and the like or by a free radical polymerization reaction mechanism under the action of light and heat, is widely applied to the aspects of building materials, industrial products, daily necessities, floor leathers, floor tiles, artificial leather, pipes, wires and cables, packaging films, bottles, foaming materials, sealing materials, fibers and the like, and is a common material in daily life, has the characteristics of high strength, corrosion resistance and the like, is widely applied to the fields of urban building and agricultural development, is used for replacing common rusty iron water pipes, and is convenient for subsequent processing steps such as cutting and polishing by using a tractor to pull the complete PVC pipe when the PVC pipe is produced.

Most of the tractors for pipeline preparation in the prior art are crawler tractors, and the crawler tracks are adopted to drag the transmission pipeline to carry out displacement respectively, however, the existing tractor structure is relatively fixed, and can only draw pipelines with one specification size or similar sizes, and can not adapt to the traction operation of pipelines with different specifications sizes, so that the application range is narrow, different tractor operations are required to be replaced when the pipelines with different specifications sizes are pulled, and the practicability is lower.

Therefore, a tractor for PVC pipeline preparation is needed, and the problem that the PVC pipeline tractor is easily limited by the pipeline size when the pipeline is pulled in the prior art is solved.

Disclosure of Invention

The utility model aims to provide a tractor for PVC pipeline preparation, which aims to solve the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the tractor for PVC pipeline preparation comprises a U-shaped plate, wherein a size adjusting mechanism is arranged on the inner side of the U-shaped plate, and an auxiliary traction mechanism is arranged on the upper side of the inner part of the U-shaped plate;

the size adjusting mechanism comprises a mounting frame, thread blocks are fixed in the middle of the bottom wall of the mounting frame and are respectively connected to the left side and the right side of the periphery of a bidirectional screw in a threaded mode, the bidirectional screw is rotationally connected to the middle of a sliding groove, the sliding groove is formed in the middle of the inner bottom wall of a U-shaped plate, a second driving motor is fixed to the middle lower portion of the left wall of the outer side of the U-shaped plate, an output shaft of the second driving motor is fixed to the bidirectional screw, and supporting plates are fixed to the left side and the right side of the bottom wall of the U-shaped plate.

In the scheme, the auxiliary traction mechanism comprises mounting rods, the mounting rods are respectively fixed at the front end and the rear end of one side close to the inside of two groups of mounting frames, top plates are respectively fixed at the tops of the mounting rods, two groups of top plates are respectively fixed with an air cylinder at the middle part of the top wall of the top plate, and mounting blocks are respectively fixed at the output ends of the air cylinders.

It is further worth to say that the installation piece is close to U shaped plate middle part lateral wall and all is provided with the mounting groove, the inboard of mounting groove all rotates and is connected with multiunit evenly distributed's pressfitting wheel.

It should be further noted that, two groups of the installation frames are internally provided with a first driving motor close to the middle of one side wall, and the output shafts of the first driving motors are fixedly provided with chain wheels.

As a preferable implementation mode, the front and rear parts of the two groups of mounting frames, which are close to one side wall, are respectively connected with a belt pulley in a rotating way, the front and rear groups of belt pulleys are respectively connected through a driving belt, chains are respectively arranged on the inner sides of the driving belts, and the chains are respectively connected with the chain wheels in a meshed way.

As a preferred implementation mode, limit rods are fixed on the front side and the rear side of the top wall of the mounting block, and the limit rods respectively penetrate through and are connected with the front part and the rear part of the side, close to the top plate, of the mounting block in a sliding mode.

Compared with the prior art, the tractor for PVC pipeline preparation provided by the utility model at least comprises the following beneficial effects:

(1) When the pipeline is required to be pulled, the second driving motor is started, the output shaft of the second driving motor rotates to enable the bidirectional screw to rotate, and the bidirectional screw rotates to drive the two sets of threaded blocks to be close to or far away from each other, so that the two sets of mounting frames are close to or far away from each other, the distance between the two sets of driving belts is adjusted, the two sets of driving belts are applicable to PVC pipelines with different sizes, and the application range of the tractor is improved.

(2) The cylinder is started after the tractor is suitable for size adjustment, the output end of the cylinder extends to enable the mounting block to move downwards, the mounting block moves downwards to be attached to the left side and the right side of the periphery of the PVC pipeline respectively, and then the cylinder is closed, so that friction force between the pipeline and the driving belt in the traction process is increased, and traction efficiency of the tractor is improved.

Drawings

FIG. 1 is a schematic front perspective view of the present utility model;

FIG. 2 is a schematic top perspective view of the present utility model;

fig. 3 is a schematic view of a partial side perspective view of the present utility model.

In the figure: 1. a U-shaped plate; 2. a size adjustment mechanism; 3. an auxiliary traction mechanism; 4. a chute; 5. a screw block; 6. a bidirectional screw; 7. a mounting frame; 8. a first driving motor; 9. a sprocket; 10. a belt pulley; 11. a drive belt; 12. a chain; 13. a mounting rod; 14. a top plate; 15. a limit rod; 16. a cylinder; 17. a mounting block; 18. a mounting groove; 19. a pressing wheel; 20. a second driving motor; 21. and a support plate.

Detailed Description

The utility model is further described below with reference to examples.

Referring to fig. 1-3, the utility model provides a tractor for PVC pipe production, comprising a U-shaped plate 1, a size adjusting mechanism 2 provided on the inner side of the U-shaped plate 1, and an auxiliary traction mechanism 3 provided on the upper side of the inner side of the U-shaped plate 1;

the size adjusting mechanism 2 comprises a mounting frame 7, the traction mechanism is mounted on the outer side of the mounting frame 7, the auxiliary traction mechanism 3 is mounted on the upper side of the mounting frame, threaded blocks 5 are fixedly arranged in the middle of the bottom wall of the mounting frame 7, the threaded blocks 5 are respectively in threaded connection with the left side and the right side of the periphery of a bidirectional screw rod 6, the threaded blocks 5 can move left and right in the rotation process of the bidirectional screw rod 6, the mounting frame 7 is driven to move left and right, the distance between two groups of driving belts 11 is adjusted, the bidirectional screw rod 6 is rotationally connected in the middle of a sliding groove 4, the sliding groove 4 is arranged in the middle of the inner bottom wall of the U-shaped plate 1, a second driving motor 20 is fixedly arranged on the middle lower portion of the left wall of the outer side of the U-shaped plate 1, an output shaft of the second driving motor 20 is fixedly arranged with the bidirectional screw rod 6, supporting plates 21 are fixedly arranged on the left side and right side of the bottom wall of the U-shaped plate 1, the second driving motor 20 is a power source of the traction mechanism, and in the working process of the second driving motor 20 can drive a sprocket 9 to rotate, and the whole driving belt 11 rotates under the cooperation with a chain 12.

Further, as shown in fig. 1, fig. 2 and fig. 3, it is worth specifically explaining that the auxiliary traction mechanism 3 includes mounting rods 13, the mounting rods 13 are respectively fixed at front and rear ends of the inner parts of the two groups of mounting frames 7, which are close to one side, the top parts of the front and rear groups of mounting rods 13 are respectively fixed with top plates 14, the middle parts of the top walls of the two groups of top plates 14 are respectively fixed with an air cylinder 16, the output ends of the air cylinders 16 are respectively fixed with mounting blocks 17, the mounting rods 13 play a role of connecting and fixing the top plates 14 and upper side components thereof, and the up-and-down movement of the output ends of the air cylinders 16 can drive the mounting blocks 17 to move up and down when the air cylinders 16 work.

Further, as shown in fig. 3, it is worth specifically explaining that a mounting groove 18 is formed in a side wall of the mounting block 17, which is close to the middle of the U-shaped plate 1, and a plurality of groups of uniformly distributed pressing wheels 19 are rotatably connected to the inner side of the mounting groove 18, and the pressing wheels 19 are in contact with the side wall of the PVC pipe and provide a certain pressure to the PVC pipe so as to increase the pressure between the PVC pipe and the driving belt 11.

The scheme comprises the following working processes: when the PVC pipeline is required to be pulled, the second driving motor 20 is started firstly, the output shaft of the second driving motor 20 rotates to enable the bidirectional screw rod 6 to rotate, the bidirectional screw rod 6 drives the two groups of screw blocks 5 to be close to or far away from each other in the rotating process of the bidirectional screw rod 6, so that the two groups of mounting frames 7 are close to or far away from each other, the distance between the two groups of driving belts 11 is adjusted to be suitable for PVC pipelines with different sizes, then the pipeline is placed between the two groups of driving belts 11, the air cylinder 16 is started, the output end of the air cylinder 16 moves up and down to enable the mounting block 17 to move downwards, the mounting block 17 moves down to the pressing wheels 19 to be respectively attached to the left side and the right side of the periphery of the PVC pipeline, then the first driving motor 8 is started, the chain wheel 9 is driven to rotate, and then the driving belts 11 are driven to rotate, and the inner side pipeline is pulled and conveyed.

The working process can be as follows: can adjust the interval of two sets of driving belts 11 under the cooperation of U-shaped board 1, spout 4, screw thread piece 5, two-way screw rod 6, mounting frame 7, second driving motor 20 and driving belt 11, make its size that adapts to the PVC pipeline, improve tractor application scope, can increase the frictional force between pipeline and the driving belt 11 under the cooperation of pressfitting wheel 19, cylinder 16, mounting block 17, mounting groove 18, roof 14 and installation pole 13 simultaneously, improve tractor's traction effect.

Further, as shown in fig. 1, fig. 2 and fig. 3, it is worth specifically explaining that the middle parts of the two groups of mounting frames 7, which are close to one side wall, are respectively fixed with a first driving motor 8, the output shafts of the first driving motors 8 are respectively fixed with a chain wheel 9, the output shafts of the first driving motors 8 rotate to drive the chain wheels 9 to rotate, and the driving belt 11 can work under the cooperation of the chain wheels 9 and the chains 12.

Further, as shown in fig. 1, it is worth specifically explaining that the front and rear parts of the two groups of mounting frames 7, which are close to one side wall, are respectively connected with a belt pulley 10 in a rotating manner, the front and rear groups of belt pulleys 10 are respectively connected through a driving belt 11, the inner sides of the driving belts 11 are respectively provided with a chain 12, the chains 12 are respectively connected with the chain wheels 9 in a meshed manner, the two groups of belt pulleys 10 can rotate in the operation process of the driving belts 11, and meanwhile, the driving belts 11 can be in a tightening state at the moment.

Further, as shown in fig. 2, it is worth specifically explaining that the front and rear sides of the top wall of the mounting block 17 are both fixed with the limit rods 15, and the limit rods 15 respectively penetrate through and are slidably connected to the front and rear parts of the side, close to the top plate 14, of the mounting block 17, so that the stability of the mounting block 17 in the up-and-down movement process can be improved by the limit rods 15.

To sum up: the output shaft of the first driving motor 8 rotates to drive the chain wheel 9 to rotate, the driving belt 11 can work under the cooperation of the chain wheel 9 and the chain 12, the two groups of belt pulleys 10 can rotate in the operation process of the driving belt 11, the driving belt 11 can be in a tightening state at the same time, and the limiting rod 15 can improve the stability of the mounting block 17 in the up-and-down movement process.

The first driving motor 8 and the second driving motor 20 can be purchased in the market, and the first driving motor 8 and the second driving motor 20 are provided with power sources, which are fully disclosed in the art, so that the description is not repeated.

Claims

1. Tractor for PVC pipe production, including U-shaped plate (1), its characterized in that: the inner side of the U-shaped plate (1) is provided with a size adjusting mechanism (2), and the upper side of the inner part of the U-shaped plate (1) is provided with an auxiliary traction mechanism (3);

the size adjusting mechanism (2) comprises a mounting frame (7), thread blocks (5) are fixed in the middle of the bottom wall of the mounting frame (7), the thread blocks (5) are respectively connected to the left side and the right side of the periphery of a bidirectional screw rod (6) in a threaded mode, the bidirectional screw rod (6) is rotationally connected to the middle of a sliding groove (4), the sliding groove (4) is formed in the middle of the bottom wall in a U-shaped plate (1), a second driving motor (20) is fixed to the middle lower portion of the left wall of the outer side of the U-shaped plate (1), an output shaft of the second driving motor (20) is fixed to the bidirectional screw rod (6), and supporting plates (21) are fixed to the left side and the right side of the bottom wall of the U-shaped plate (1).

2. The tractor for PVC pipe manufacture of claim 1, wherein: the auxiliary traction mechanism (3) comprises mounting rods (13), the mounting rods (13) are respectively fixed at the front end and the rear end of one side close to the inside of two groups of mounting frames (7), top plates (14) are respectively fixed at the tops of the mounting rods (13), air cylinders (16) are respectively fixed at the middle parts of the top walls of the two groups of top plates (14) close to one side, and mounting blocks (17) are respectively fixed at the output ends of the air cylinders (16).

3. The tractor for PVC pipe production according to claim 2, wherein: the mounting block (17) is close to a side wall in the middle of the U-shaped plate (1) and is provided with mounting grooves (18), and the inner sides of the mounting grooves (18) are rotationally connected with a plurality of groups of pressing wheels (19) which are uniformly distributed.

4. The tractor for PVC pipe manufacture of claim 1, wherein: the two groups of mounting frames (7) are internally provided with a first driving motor (8) close to the middle of one side wall, and sprocket wheels (9) are fixed on output shafts of the first driving motors (8).

5. The tractor for PVC pipe manufacture of claim 1, wherein: two sets of installation frame (7) are close to a lateral wall front and back two portions all rotate and are connected with belt pulley (10), and front and back two sets of belt pulley (10) are all connected through driving belt (11), driving belt (11) inboard all is provided with chain (12), chain (12) all are connected with sprocket (9) meshing.

6. The tractor for PVC pipe production according to claim 2, wherein: limiting rods (15) are fixed on the front side and the rear side of the top wall of the mounting block (17), and the limiting rods (15) respectively penetrate through and are connected with the front portion and the rear portion of the side, close to the top plate (14), of the top plate in a sliding mode.